/*
 *  Licensed to the Apache Software Foundation (ASF) under one or more
 *  contributor license agreements.  See the NOTICE file distributed with
 *  this work for additional information regarding copyright ownership.
 *  The ASF licenses this file to You under the Apache License, Version 2.0
 *  (the "License"); you may not use this file except in compliance with
 *  the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */
package org.diting.collections;

import java.util.*;

/**
 * Provides default implementation of <IGrouping<TKey, TElement>>
 * @author Bin Zhang
 *
 * @param <TKey>
 * @param <TElement>
 */

class ListGroup<TKey, TElement> extends ArrayList<TElement> implements IGrouping<TKey, TElement>{
	
	
	/**
	 * 
	 */
	private static final long serialVersionUID = -3504824948822878657L;
	public ListGroup(TKey key)
	{
		this._key = key;
	}
	
	

	private TKey _key;
	@Override
	public TKey getKey() {
		
		return _key;
	}
	
	


	@Override
	public Query<TElement> toQuery() {
		return new Query<TElement>(this);
	}

    
}
